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242838210 = 2358094607
BaseRepresentation
bin11100111100101…
…10101011000010
3121220221110101210
432132112223002
5444131310320
640032510550
76006043056
oct1636265302
9556843353
10242838210
11115091a3a
12693ab456
133b405964
1424373c66
15164bc0e0
hexe796ac2

242838210 has 16 divisors (see below), whose sum is σ = 582811776. Its totient is φ = 64756848.

The previous prime is 242838187. The next prime is 242838229. The reversal of 242838210 is 12838242.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 8094607 = 242838210 / (2 + 4 + 2 + 8 + 3 + 8 + 2 + 1 + 0).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4047274 + ... + 4047333.

It is an arithmetic number, because the mean of its divisors is an integer number (36425736).

Almost surely, 2242838210 is an apocalyptic number.

242838210 is an abundant number, since it is smaller than the sum of its proper divisors (339973566).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242838210 is a wasteful number, since it uses less digits than its factorization.

242838210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8094617.

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 242838210 is about 15583.2669873810. The cubic root of 242838210 is about 623.8866236734.

The spelling of 242838210 in words is "two hundred forty-two million, eight hundred thirty-eight thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 8094607 16189214 24283821 40473035 48567642 80946070 121419105 242838210